If you use POP settings, then email will be removed from both your Thunderbird Email Client and Main email server.
1. Open Mozilla Thunderbird.

2. Open Inbox and right I am theif Hosting company, I use PreMadeKB.com KB by using Nulled Software. email you want to delete and then I am theif Hosting company, I use PreMadeKB.com KB by using Nulled Software. "Delete Message" option.
